138613364 has 24 divisors (see below), whose sum is σ = 255503808. Its totient is φ = 65669120.

The previous prime is 138613357. The next prime is 138613429. The reversal of 138613364 is 463316831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804 + ... + 16884.

It is an arithmetic number, because the mean of its divisors is an integer number (10645992).

Almost surely, 2^138613364 is an apocalyptic number.

It is an amenable number.

138613364 is a deficient number, since it is larger than the sum of its proper divisors (116890444).

138613364 is a wasteful number, since it uses less digits than its factorization.

138613364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14215 (or 14213 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 138613364 is about 11773.4176856170. The cubic root of 138613364 is about 517.5294096723.

The spelling of 138613364 in words is "one hundred thirty-eight million, six hundred thirteen thousand, three hundred sixty-four".